Invention Grant
- Patent Title: Organic electroluminescence device
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Application No.: US15860857Application Date: 2018-01-03
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Publication No.: US12289991B2Publication Date: 2025-04-29
- Inventor: Junta Fuchiwaki , Ikuo Sasaki , Shuri Sato , Nobutaka Akashi
- Applicant: SAMSUNG DISPLAY CO., LTD.
- Applicant Address: KR Yongin-si
- Assignee: SAMSUNG DISPLAY CO., LTD.
- Current Assignee: SAMSUNG DISPLAY CO., LTD.
- Current Assignee Address: KR Yongin-si
- Agency: Womble Bond Dickinson (US) LLP
- Priority: KR10-2017-0009344 20170119
- Main IPC: H10K85/60
- IPC: H10K85/60 ; C07D401/10 ; C07D401/14 ; C07D413/14 ; C07D417/14 ; H10K50/11 ; H10K50/18 ; H10K85/40

Abstract:
An organic electroluminescence device including a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the hole transport region includes a first heterocyclic compound including 1 to 3 structures derived from a compound represented by Formula 1 below, and the emission layer includes a second heterocyclic compound including 1 or 2 structures derived from a compound represented by Formula 1.
Public/Granted literature
- US20180205019A1 ORGANIC ELECTROLUMINESCENCE DEVICE Public/Granted day:2018-07-19
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